The pressure tank was a long, cylinder-shaped freight container designed to store gases during transit in space. The tank, manufactured by Xizor Transport Systems, was commonly encountered throughout the galaxy. It could be used to store gases, such as propane. It was also used for interstellar transport of more valuable gases such as tibanna.
Like similar cargo containers, the pressure tank could be transported through the use of freighters, including the BFF-1 bulk freighter, container transport, and modular conveyor. YT-1300 and YT-2000 light freighters were also capable of carrying pressure tanks.